Consider downloading via BitTorrent web-seed files!
Then your download is balanced across all servers,
resumeable, and the checksum of the data is automatically verified.
This gives you optimal speed and protection against corrupt/malicious data.
Either install a libitorrent based client like Deluge
or Aria2 for the command-line
(e.g. sudo apt-get install aria2 and then $ aria2c http://...*.torrent).
To run SageMath on Microsoft Windows you need
The current VirtualBox solution provides you with an encapsulated
and tested system. It allows to use the SageMath notebook in your web
browser with no noticeable speed loss compared to a native Linux
SageMath consists of a selected set of packages which are well tested and integrated into the
SageMath framework. There are also other less integrated or unstable packages additionally
available. Click here to get an overview of all